UPSC Civil Engineering 2022

(a) A rod shown in the figure below is subjected to a force of 95 kN. Determine the diameter d of the portion ②, if the stress there is not to exceed 115 N/mm². Also, determine th…

(a) Determine the forces in all the members of a pin-jointed truss shown in the figure below, with a vertical force of 20 kN and a horizontal force of 10 kN acting at C : (15 mark…

(a) (i) A simple girder of 20 m span is traversed by a moving uniformly distributed load of 6 m long with an intensity of 2 kN/m, from left to right. Determine the maximum bending…

(a) Find the maximum load P, which the bracket as shown can transmit. The bolt strength of 20 mm dia and 8·8 grade is assumed to be 82 kN, considering shear and bearing under limi…

(a) Prove that the power transmission through nozzle is maximum when d/D = √(D/8fl). Neglect the minor losses. (10 marks) (b) Soil from a particular site yields a maximum dry unit…

(a) The velocity profile in a laminar boundary layer on a flat plate is modelled by the cubic expression μ/μ₁ = a₀ + a₁y + a₂y² + a₃y³ μ = velocity at a distance y from the surfac…

(a) (i) Distinguish between discharge velocity and seepage velocity in the case of flow of water through soils. 5 (ii) A soil sample 90 mm high and 6000 mm² in cross-section was s…

(a) A vertical cut, 4·5 m deep, is to be made in a c-φ soil having cohesion = 19·1 kN/m², angle of internal friction = 16° and unit weight = 18·5 kN/m³. Compute the following : (i…

(a) (i) Briefly explain the deterioration of concrete caused by leaching action, and (ii) chemical interaction. (10 marks) (b) What are the general precautions to be observed whil…

(a) A construction company is planning to purchase an excavation equipment for operating a borrow soil pit that will last 5 years. The soil can be excavated by equipment 'A' or eq…

(a) A two-lane State Highway in plain terrain, with cutting section having camber of 2·0%, negotiates a curve of radius 480 m. Design superelevation and explain the process of att…

(a) In a layout of B.G. Yard, an 8° curve branches off from a 4° main curve in an opposite direction. If speed is restricted to 28·90 km/hr and permissible value of cant deficienc…

(a) A catchment has six rain gauge stations. In a year, the annual rainfall recorded by the rain gauges are as follows: | Station | A | B | C | D | E | F | |---------|---|---|---|…

(a) (i) Define unit hydrograph. Explain two basic assumptions made in the derivation of a unit hydrograph. What are the applications and limitations of unit hydrograph? (10 marks)…

Answer the following questions in about 250 words each: (a) Analyse the growth of communalism in India during the freedom struggle. What were its social and political implications…

Answer the following questions in about 250 words each: (a) Discuss the major environmental movements in India. How have they influenced policy-making? (15 marks) (b) Critically e…